61742020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3457}}^1$

素因数の和:3532

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 77684540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3457, 3572, 4465, 6914, 8930, 13828, 17285, 17860, 34570, 65683, 69140, 131366, 162479, 262732, 324958, 328415, 649916, 656830, 812395, 1313660, 1624790, 3087101, 3249580, 6174202, 12348404, 15435505, 30871010, 61742020]

約数ペア:

[(1, 61742020), (2, 30871010), (4, 15435505), (5, 12348404), (10, 6174202), (19, 3249580), (20, 3087101), (38, 1624790), (47, 1313660), (76, 812395), (94, 656830), (95, 649916), (188, 328415), (190, 324958), (235, 262732), (380, 162479), (470, 131366), (893, 69140), (940, 65683), (1786, 34570), (3457, 17860), (3572, 17285), (4465, 13828), (6914, 8930)]